Cell volume - temperature diagram, Chalcogen

• O-V
• Na-Nb-O
• Ba-Co-O-Y
• Ca-Fe-La-Mn-O
• K-O-Rb-V
• chalcogen
• transitional
• non-disordered
• oxide
• disordered
• orthorhombic
• monoclinic
• tetragonal
• trigonal
• cubic